Soft and Hard scale QCD Dynamics in Mesons

Details Soft and Hard scale QCD Dynamics in Mesons Soft and Hard scale QCD Dynamics in Mesons

2010-05-18

arxiv.org/abs/1005.3315v1

AIP Conf.Proc.1361:142-151,2011

Physics

Nuclear Physics

Nuclear Theory

10 pages, 2 double panel figures, invited talk presented at the XII Mexican Workshop on Particles and Fields, Mazatlan, Sinalo

Scientific paper

10.1063/1.3622693

Using a ladder-rainbow kernel previously established for the soft scale of light quark hadrons, we explore the extension to masses and electroweak decay constants of ground state pseudoscalar and vector quarkonia and heavy-light mesons in the c- and b-quark regions. We make a systematic study of the effectiveness of a constituent mass concept as a replacement for a heavy quark dressed propagator. The difference between vector and axial vector current correlators is examined to estimate the four quark chiral condensate. The valence quark distributions, in the pion and kaon, defined in deep inelastic scattering, and measured in the Drell Yan process, are investigated with the same ladder-rainbow truncation of the Dyson-Schwinger and Bethe-Salpeter equations.

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